This light is off during normal operation. If this indicator is lit, the optic unit is too hot. If this indicator is blinking, the cooling fan has stopped. Please call service. ***The optic unit has an air filter that may become clogged over time***. The internal temperature will increase which will trigger the temperature sensor to display an On-Screen warning. After 5 minutes, the lamp will turn off, then the TV will turn off with the TEMP LED On.
This light is off during normal operation. If light is lit, the lamp has failed. See page 56-59 (of Manual) for lamp replacement procedure. Consult your Hitachi dealer for proper part. If light is blinking, lamp cover is not assembled securely after replacement.
Operating Guide for 50VS69A - http://www.hitachiserviceusa.com:80... - Direct download
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